6. Driving is a privilege, not a right.

I think that there is US case law that makes freedom of movement about the country a virtual right, but that does not include any right to having a driver's license. However, if a person has met the requirements laid out by state law for owning one, I don't think the government can arbitrarily withhold it. It does seem odd that the FBI would hold it, but perhaps she can claim it at any time.